Schematic Reference: Instrument Cluster Schematics

Connector End View References: Instrument Panel, Gages, and Console Connector End Views , Powertrain Control Module Connector End Views for the 4.3L engine, Powertrain Control Module Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Control Module Connector End Views for the 6.6L (LLY) engine

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With the scan tool, perform the Displays Test.

Does the engine oil pressure gage move from 0 to its maximum value and back to 0 when you perform the Displays Test?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Replace the instrument panel cluster (IPC). Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 4

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2